http://e26whn2524322mkxb3cbyk27ev2ihhq2biz35hty7gzgsyrwrygq27yd.onion/posts/documentation/linux/745-allowing-your-internal-search-engine-to-index-gitlab-issues-commits-and-wiki-pages.html
My Solution Quite some time back, I addressed a similar need with JIRA (in that case it was the auth flow that stood in my way, indexability was actually otherwise not too bad) by creating my Jira-Issue-Listing Script (JILS) . Although you could, perhaps, hack at Gitlab's template to rectify issues, the advantage of running a JILS-like solution is it also makes it trivial to store a usable backup of your project management - if Gitlab should go bang tomorrow, you still have HTML archives...